Home / 80,113.02-120,168.20-32,717.70

Finding the Fourth Proportional to 80,113.02, 120,168.20 and 32,717.70

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Solution

The fourth proportional to 80,113.02, 120,168.20 and 32,717.70 is: 49,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,113.02 : 120,168.20 = 32,717.70 : x
  2. Step 2: Convert to fraction form
    80,113.02/120,168.20 = 32,717.70/x
  3. Step 3: Cross multiply
    80,113.02x = 120,168.20 × 32,717.70
  4. Step 4: Simplify right side
    80,113.02x = 3,931,627,117.14
  5. Step 5: Solve for x
    x = 3,931,627,117.14/80,113.02
  6. Step 6: Final answer
    x = 49,076.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.